[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 29 18:50:39 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Wed 29 May, 2024

  IPv4 BGP Table (R&E) as seen at KENET.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KENET/

Analysis Summary
----------------

BGP routing table entries examined:                               16733
    Prefixes after maximum aggregation (per Origin AS):            9445
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       10597
    Number of IPv4 prefixes with a valid ROA:                      5307
    Number of IPv4 prefixes with an invalid ROA:                      3
    Number of IPv4 prefixes with no ROA:                          11423
Total ASes present in the Internet Routing Table:                  2399
    Prefixes per ASN:                                              6.97
Origin-only ASes present in the Internet Routing Table:            2067
Origin ASes announcing only one prefix:                             894
Transit ASes present in the Internet Routing Table:                 332
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.2
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      44579
Number of 32-bit ASNs visible in the Routing Table:                 549
Prefixes from 32-bit ASNs in the Routing Table:                    1531
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              3
Number of addresses announced to Internet:                    187118336
    Equivalent to 11 /8s, 39 /16s and 51 /24s
    Percentage of available address space announced:                5.1
    Percentage of allocated address space announced:                5.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        1927

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4275
    Total APNIC prefixes after maximum aggregation:                2183
    APNIC Deaggregation factor:                                    1.96
Prefixes being announced from the APNIC address blocks:            4272
    Unique aggregates announced from the APNIC address blocks:     2500
APNIC Region origin ASes present in the Internet Routing Table:     502
    APNIC Prefixes per ASN:                                        8.51
APNIC Region origin ASes announcing only one prefix:                216
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    188
Number of APNIC addresses announced to Internet:               45195520
    Equivalent to 2 /8s, 177 /16s and 161 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                      6804
    Total ARIN prefixes after maximum aggregation:                 3887
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             6819
    Unique aggregates announced from the ARIN address blocks:      4392
ARIN Region origin ASes present in the Internet Routing Table:     1052
    ARIN Prefixes per ASN:                                         6.48
ARIN Region origin ASes announcing only one prefix:                 363
ARIN Region transit ASes present in the Internet Routing Table:     137
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     170
Number of ARIN addresses announced to Internet:                80243712
    Equivalent to 4 /8s, 200 /16s and 108 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                      3389
    Total RIPE prefixes after maximum aggregation:                 2717
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3378
    Unique aggregates announced from the RIPE address blocks:      2768
RIPE Region origin ASes present in the Internet Routing Table:      613
    RIPE Prefixes per ASN:                                         5.51
RIPE Region origin ASes announcing only one prefix:                 261
RIPE Region transit ASes present in the Internet Routing Table:      95
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     133
Number of RIPE addresses announced to Internet:                55721216
    Equivalent to 3 /8s, 82 /16s and 61 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    1313
    Total LACNIC prefixes after maximum aggregation:                517
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1311
    Unique aggregates announced from the LACNIC address blocks:     711
LACNIC Region origin ASes present in the Internet Routing Table:    152
    LACNIC Prefixes per ASN:                                       8.62
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       6.3
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    56
Number of LACNIC addresses announced to Internet:               4234496
    Equivalent to 0 /8s, 64 /16s and 157 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                    950
    Total AfriNIC prefixes after maximum aggregation:               139
    AfriNIC Deaggregation factor:                                  6.83
Prefixes being announced from the AfriNIC address blocks:           950
    Unique aggregates announced from the AfriNIC address blocks:    224
AfriNIC Region origin ASes present in the Internet Routing Table:     8
    AfriNIC Prefixes per ASN:                                    118.75
AfriNIC Region origin ASes announcing only one prefix:                3
AfriNIC Region transit ASes present in the Internet Routing Table:    4
Average AfriNIC Region AS path length visible:                      1.9
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    2
Number of AfriNIC addresses announced to Internet:              1715200
    Equivalent to 0 /8s, 26 /16s and 44 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         591       2162     464  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  1237         189         74     142  KREONET-AS-KR KISTI, KR
  4538         189       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4762          70          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          58          4      34  ERX-ERNET-AS Education and Research Net

Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         202        162     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2920         177         34       7  LACOE, US
   270         162        345      88  AS270, US
  2152         150        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024         108          7      22  OCDE, US
   237          85        543      51  MERIT-AS-14, US
 21976          79         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         187       1767     184  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          74         26      64  RUNNET, RU

Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         139        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         109         25      52  Red Universitaria Nacional, CL
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  3596          35          4       3  Universidad Autonoma Metropolitana, MX

Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         540         80      53  KENET-AS, KE
  2018         376        319      71  TENET-1, ZA
  6879          24          2       9  ENSTINET-, EG
327945           4          0       2  ILRI, KE
328225           3          0       1  Strathmore-University, KE
  3208           1          2       1  ARN, DZ
  6149           1          0       1  TENET-2, ZA
 37717           1         16       1  EL-Khawarizmi, TN

Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         591       2162     464  SINET-AS Research Organization of Infor
 36914         540         80      53  KENET-AS, KE
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   376         202        162     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  1237         189         74     142  KREONET-AS-KR KISTI, KR
  4538         189       4193      75  ERX-CERNET-BKB China Education and Rese
   786         187       1767     184  JANET Jisc Services Limited, GB

Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 36914         540          487  KENET-AS, KE
  7497         440          416  CSTNET-AS-AP Computer Network Information Cente
  2018         376          305  TENET-1, ZA
  5786         199          198  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         177          170  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         132          127  ISU Internet Services Unit ISU, SA
  4538         189          114  ERX-CERNET-BKB China Education and Research Net
 55824         131          112  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/KENET/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US

Complete listing at https://bgp.nsrc.org/REN/KENET/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

Complete listing at https://bgp.nsrc.org/REN/KENET/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:1       /12:10      
/13:19      /14:34      /15:117     /16:1826    /17:393     /18:410     
/19:513     /20:760     /21:805     /22:1252    /23:1392    /24:9199    
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         522         540  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
 23024          51         108  OCDE, US
 32440          38          64  LONI, US
200521          33          55  SEAP-AGE, ES
  3267          32          74  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          30          44  HCCS, US
 26898          24          32  LNOCA-ORG, US
 36794          24          26  SCOCA, US

Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         5:15        8:2        14:91       23:4        24:3      
  31:1        35:3        38:9        41:187      42:16       44:4      
  45:26       46:5        47:1        49:9        50:3        58:16     
  59:20       60:6        61:3        62:8        63:3        64:19     
  65:1        66:25       67:41       68:2        69:18       70:2      
  72:7        74:16       76:41       77:11       78:2        79:10     
  80:12       81:23       82:7        83:7        84:3        85:28     
  86:5        87:1        89:11       91:46       92:2        93:4      
  94:2        95:2        96:5        97:1        98:2       101:4      
 103:261     104:76      108:2       109:8       114:24      116:8      
 117:61      118:35      119:21      121:11      122:8       123:8      
 124:41      125:5       128:65      129:35      130:84      131:40     
 132:63      133:157     134:51      136:198     137:41      138:57     
 139:5       140:35      141:3       142:23      143:17      144:23     
 145:1       146:134     147:32      148:193     149:11      150:41     
 151:9       152:136     153:15      154:22      155:60      156:139    
 157:21      158:35      159:118     160:30      161:16      162:13     
 163:54      164:14      165:47      166:1       167:16      168:121    
 169:6       170:88      171:1       172:3       173:6       175:25     
 176:8       177:5       179:10      180:15      182:1       184:4      
 185:46      186:3       187:18      188:13      189:3       190:16     
 191:13      192:1304    193:262     194:133     195:70      196:136    
 197:327     198:380     199:188     200:243     201:37      202:491    
 203:333     204:331     205:112     206:159     207:188     208:69     
 209:111     210:189     211:15      212:158     213:5       216:61     
 217:10      218:22      219:5       220:17      222:3       223:14     


End of report


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